private void writeLicenses()

in src/main/java/org/apache/maven/plugin/doap/DoapMojo.java [1184:1226]
38 lines of code
9 McCabe index (conditional complexity)

    private void writeLicenses(XMLWriter writer, MavenProject project) {
        String license = DoapUtil.interpolate(doapOptions.getLicense(), project, settings);
        if (license == null || license.isEmpty()) {
            boolean added = false;
            @SuppressWarnings("unchecked")
            List<License> licenses = project.getLicenses();
            if (licenses.size() > 1) {
                for (int i = 1; i < licenses.size(); i++) {
                    if (StringUtils.isEmpty(licenses.get(i).getUrl())) {
                        continue;
                    }

                    String licenseUrl = licenses.get(i).getUrl().trim();
                    try {
                        new URL(licenseUrl);

                        DoapUtil.writeRdfResourceElement(writer, doapOptions.getXmlnsPrefix(), "license", licenseUrl);
                        added = true;
                    } catch (MalformedURLException e) {
                        messages.addMessage(
                                new String[] {"project", "licenses", "license", "url"},
                                licenseUrl,
                                UserMessages.INVALID_URL);
                    }
                }
            }

            if (!added) {
                messages.addMessage(
                        new String[] {"doapOptions", "license"}, null, UserMessages.REQUIRED_BY_ASF_OR_RECOMMENDED);
            }
            return;
        }

        try {
            new URL(license);

            DoapUtil.writeComment(writer, "The URI of the license the software is distributed under.");
            DoapUtil.writeRdfResourceElement(writer, doapOptions.getXmlnsPrefix(), "license", license);
        } catch (MalformedURLException e) {
            messages.addMessage(new String[] {"doapOptions", "license"}, license, UserMessages.INVALID_URL);
        }
    }